@book{17072,
	author = {Pena, Jesús.},
	title = {La derivación en español},
	publisher = {Universidad, Secretariado de Publicaciones},
	year = {D.L. 1980.},
	series = {Verba.},
	address = {Santiago de Compostela},
	note = {Originally presented as the author's thesis (doctoral--Santiago de Compostela, 1976)}
}